<template>
  <div>
    <!--三级分类，导航栏-->
    <TypeNav/>
    <div class="main">
      <div class="py-container">
        <!--面包屑-->
        <div class="bread">
          <ul class="fl sui-breadcrumb">
            <li>
              <a href="#">全部结果</a>
            </li>
          </ul>
          <ul class="fl sui-tag">
            <!--分类的面包屑-->
            <li class="with-x" v-if="searchParams.categoryName">{{ searchParams.categoryName }}<i
                @click="removeCategoryName">×</i></li>
            <!--关键字的面包屑-->
            <li class="with-x" v-if="searchParams.keyword">{{ searchParams.keyword }}<i
                @click="removeKeyWord">×</i></li>
            <!--品牌的面包屑-->
            <li class="with-x" v-for="(brand, index) in brands">{{ brand.brandName }}<i
                @click="removeTrademark(index)">×</i></li>
            <!--售卖属性的面包屑-->
            <li class="with-x" v-for="(attr, index) in searchParams.attrs" :key="index">{{ attr.split("_")[1] }}<i
                @click="removeProp(index)">×</i></li>
          </ul>
        </div>

        <!--搜索条件-->
        <SearchSelector @trademarkClickCallback="trademarkClickCallback"
                        @catalogNameClickCallback="catalogNameClickCallback"
                        @attrValueClickCallback="attrValueClickCallback"
                        :searchParams="searchParams"/>

        <!--详情-->
        <div class="details clearfix">
          <!--排序方式-->
          <div class="sui-navbar">
            <div class="navbar-inner filter">
              <ul class="sui-nav">
                <li :class="{active: orderByHotScore}" @click="changeOrder('hotScore')">
                  <a>综合<span v-show="orderByHotScore" class="iconfont"
                               :class="{'icon-up': isAsc, 'icon-down': isDesc}"></span></a>
                </li>
                <!--<li>-->
                <!--  <a href="#">销量</a>-->
                <!--</li>-->
                <!--<li>-->
                <!--  <a href="#">上架时间</a>-->
                <!--</li>-->
                <!--<li>-->
                <!--  <a href="#">新品</a>-->
                <!--</li>-->
                <!--<li>-->
                <!--  <a href="#">评价</a>-->
                <!--</li>-->
                <!--<li>-->
                <!--  <a href="#">价格⬆</a>-->
                <!--</li>-->
                <li :class="{active: orderByPrice}" @click="changeOrder('skuPrice')">
                  <a>价格<span v-show="orderByPrice" class="iconfont"
                               :class="{'icon-up': isAsc, 'icon-down': isDesc}"></span></a>
                </li>
                <li>
                  <input v-model="minPrice" type="number" style="width: 80px;margin-left: 30px;margin-top: 11px">
                  -
                  <input v-model="maxPrice" type="number" style="width: 80px">&nbsp;
                  <el-switch v-model="switchValue"
                             inactive-color="#95a3b3"
                             active-color="#13ce66"
                             @change="skuPriceSearchBtn">
                  </el-switch>
                </li>
                <li>
                  <el-checkbox v-model="hasStock" label="仅显示有货" style="margin-left: 30px;margin-top: 11px"
                               @change="onlyShowHasStock"></el-checkbox>
                </li>
              </ul>
            </div>
          </div>
          <!--商品列表-->
          <div class="goods-list">
            <ul class="yui3-g">
              <li class="yui3-u-1-5" v-for="(product, index) in products" :key="product.skuId">
                <div class="list-wrap">
                  <div class="p-img">
                    <router-link :to="`/detail/${product.skuId}`">
                      <img v-lazy="product.skuImg"/>
                    </router-link>
                  </div>
                  <div class="price">
                    <strong>
                      <em>¥</em>
                      <i>{{ product.skuPrice }}.00</i>
                    </strong>
                  </div>
                  <div class="attr">
                    <a target="_blank" href="item.html"
                       title="促销信息，下单即赠送三个月CIBN视频会员卡！【小米电视新品4A 58 火爆预约中】">
                      <div v-html="product.skuTitle"></div>
                    </a>
                  </div>
                  <div class="commit">
                    <i class="command">已有<span>2000</span>人评价</i>
                  </div>
                  <div class="operate">
                    <a href="success-cart.html" target="_blank" class="sui-btn btn-bordered btn-danger">加入购物车</a>
                    <a href="javascript:void(0);" class="sui-btn btn-bordered">收藏</a>
                  </div>
                </div>
              </li>
            </ul>
          </div>
          <!--分页器-->
          <Pagination
              :pageNo="searchParams.pageNum"
              :pageSize="searchParams.pageSize"
              :total="total"
              :continues="5"
              @pageNoClickCallback="pageNoClickCallback"
          />
        </div>
      </div>
    </div>
  </div>
</template>

<script>
import SearchSelector from './SearchSelector/SearchSelector'
import {mapGetters, mapState} from 'vuex';

export default {
  name: 'Search',

  data() {
    return {
      minPrice: 0,                /*价格区间-最小值*/
      maxPrice: 2000,             /*价格区间-最大值*/
      switchValue: false,         /*价格区间开启，关闭状态*/
      hasStock: false,            /*是否仅显示有货*/
      brands: [],                 /*记录选中的品牌*/

      //带给服务器的参数
      searchParams: {
        "category1Id": "",        /*一级分类id*/
        "category2Id": "",        /*二级分类id*/
        "catalog3Id": "",         /*三级分类id*/
        "categoryName": "",       /*分类名称*/
        "keyword": "",            /*关键字*/
        "sort": "skuPrice_desc",  /*排序*/
        "pageNum": 1,             /*当前页码*/
        "pageSize": 16,           /*每一页显示数量,目前后端写死16*/
        "attrs": [],              /*商品属性*/
        "brandId": []             /*品牌id数组*/
      }
    }
  },

  components: {
    SearchSelector
  },
  beforeCreate() {
  },
  created() {
  },
  beforeMount() {
    //从路由中获取搜索条件
    //把后两个参数属性，复制到第一个
    Object.assign(this.searchParams, this.$route.query, this.$route.params)
  },
  mounted() {
    //获取搜索结果
    this.getSearchData()
  },
  computed: {
    ...mapGetters(["products"]),
    orderByHotScore() {
      return this.searchParams.sort.indexOf("hotScore") !== -1
    },
    orderByPrice() {
      return this.searchParams.sort.indexOf("skuPrice") !== -1
    },
    isAsc() {
      return this.searchParams.sort.indexOf("asc") !== -1
    },
    isDesc() {
      return this.searchParams.sort.indexOf("desc") !== -1
    },
    ...mapState({
      //search模块产品总数
      total: state => state.search.searchList.total
    })
  },
  methods: {
    //仅显示有货
    onlyShowHasStock() {
      if (this.hasStock) {
        this.searchParams["hasStock"] = 1
        this.getSearchData()
      } else {
        delete this.searchParams["hasStock"]
        this.getSearchData()
      }
    },
    //按照价格区间搜索
    skuPriceSearchBtn() {
      if (this.switchValue) {
        //skuPrice=1_500/_500/500_
        //给searchParams动态添加属性skuPrice
        this.searchParams["skuPrice"] = `${this.minPrice}_${this.maxPrice}`
        this.getSearchData()
      } else {
        //给searchParams动态删除属性skuPrice
        delete this.searchParams["skuPrice"]
        this.getSearchData()
      }
    },
    //点击排序
    changeOrder(clickType) {
      //取出初始状态
      let originType = this.searchParams.sort.split("_")[0];
      let originSort = this.searchParams.sort.split("_")[1];
      let newOrder = ""
      //点击同一个按钮，升降切换
      if (clickType === originType) {
        newOrder = `${originType}_${originSort === "desc" ? "asc" : "desc"}`
      } else {
        //点击了不同的按钮，默认降序
        newOrder = `${clickType}_${"desc"}`
      }
      //将新的order赋予searchParams
      this.searchParams.sort = newOrder
      //再次发请求
      this.getSearchData()
    },
    //页码点击回调
    pageNoClickCallback(pageNo) {
      this.searchParams.pageNum = pageNo
      this.getSearchData()
    },
    //属性值点击回调
    attrValueClickCallback(attr, attrValue) {
      //整理参数，["用性ID: 属性值: 属性名"]
      //let prop = `${attr.attrId}:${attrValue}:${attr.attrName}`
      //attrs=2_5寸:6寸 7_10月:11月
      let prop = `${attr.attrId}_${attrValue}`
      if (this.searchParams.attrs.indexOf(prop) === -1) {
        this.searchParams.attrs.push(prop)
      }
      //再次发请求
      this.getSearchData()
    },
    //品牌点击回调
    trademarkClickCallback(brand) {
      //整理参数,["01":"小米"]
      //this.searchParams.trademark = `${trademark.tmId}:${trademark.tmName}`
      if (!this.searchParams.brandId.includes(brand.brandId)) {
        this.searchParams.brandId.push(brand.brandId)
        this.brands.push(brand)
      }
      //再次发请求
      this.getSearchData()
    },
    //分类名称点击回调
    catalogNameClickCallback(catalog) {
      this.searchParams.catalog3Id = catalog.catalogId
      this.searchParams.categoryName = catalog.catalogName
      this.getSearchData()
    },
    //向服务器请求搜索页数据
    getSearchData() {
      this.$store.dispatch("getSearchList", this.searchParams)
    },
    //删除分类的名字
    removeCategoryName() {
      this.searchParams.categoryName = ""
      this.searchParams.category1Id = "";
      this.searchParams.category2Id = "";
      this.searchParams.catalog3Id = "";
      this.getSearchData()
      //地址栏也需要修改
      if (this.$route.params) {
        this.$router.push({name: "search", params: this.$route.params})
      }
    },
    //删除关键字
    removeKeyWord() {
      this.searchParams.keyword = ""
      this.getSearchData()
      //通知兄弟组件Header清除关键字
      this.$bus.$emit("clearKeyword")
      //地址栏也需要修改
      if (this.$route.query) {
        this.$router.push({name: "search", query: this.$route.query})
      }
    },
    //删除品牌
    removeTrademark(index) {
      this.searchParams.brandId.splice(index, 1)
      this.brands.splice(index, 1)
      this.getSearchData()
    },
    //删除销售属性
    removeProp(index) {
      this.searchParams.attrs.splice(index, 1)
      this.getSearchData()
    }
  },
  watch: {
    //监听路由的变化
    $route() {
      //再次整理参数
      Object.assign(this.searchParams, this.$route.query, this.$route.params)
      //再次发送搜索请求
      this.getSearchData()
      //将上次残留的数据置空
      this.searchParams.category1Id = "";
      this.searchParams.category2Id = "";
      this.searchParams.catalog3Id = "";
    }
  }
}
</script>

<style lang="less" scoped>
.main {
  margin: 10px 0;

  .py-container {
    width: 1200px;
    margin: 0 auto;

    .bread {
      margin-bottom: 5px;
      overflow: hidden;

      .sui-breadcrumb {
        padding: 3px 15px;
        margin: 0;
        font-weight: 400;
        border-radius: 3px;
        float: left;

        li {
          display: inline-block;
          line-height: 18px;

          a {
            color: #666;
            text-decoration: none;

            &:hover {
              color: #4cb9fc;
            }
          }
        }
      }

      .sui-tag {
        margin-top: -5px;
        list-style: none;
        font-size: 0;
        line-height: 0;
        padding: 5px 0 0;
        margin-bottom: 18px;
        float: left;

        .with-x {
          font-size: 12px;
          margin: 0 5px 5px 0;
          display: inline-block;
          overflow: hidden;
          color: #000;
          background: #f7f7f7;
          padding: 0 7px;
          height: 20px;
          line-height: 20px;
          border: 1px solid #dedede;
          white-space: nowrap;
          transition: color 400ms;
          cursor: pointer;

          i {
            margin-left: 10px;
            cursor: pointer;
            font: 400 14px tahoma;
            display: inline-block;
            height: 100%;
            vertical-align: middle;
          }

          &:hover {
            color: #28a3ef;
          }
        }
      }
    }

    .details {
      margin-bottom: 5px;

      .sui-navbar {
        overflow: visible;
        margin-bottom: 0;

        .filter {
          min-height: 40px;
          padding-right: 20px;
          background: #fbfbfb;
          border: 1px solid #e2e2e2;
          padding-left: 0;
          border-radius: 0;
          box-shadow: 0 1px 4px rgba(0, 0, 0, 0.065);

          .sui-nav {
            position: relative;
            left: 0;
            display: block;
            float: left;
            margin: 0 10px 0 0;

            li {
              float: left;
              line-height: 18px;

              a {
                display: block;
                cursor: pointer;
                padding: 11px 15px;
                color: #777;
                text-decoration: none;
              }

              &.active {
                a {
                  background: #e1251b;
                  color: #fff;
                }
              }
            }
          }
        }
      }

      .goods-list {
        margin: 20px 0;

        ul {
          display: flex;
          flex-wrap: wrap;

          li {
            height: 100%;
            width: 20%;
            margin-top: 10px;
            line-height: 28px;

            .list-wrap {
              .p-img {
                padding-left: 15px;
                width: 215px;
                height: 255px;

                a {
                  color: #666;

                  img {
                    max-width: 100%;
                    height: auto;
                    vertical-align: middle;
                  }
                }
              }

              .price {
                padding-left: 15px;
                font-size: 18px;
                color: #c81623;

                strong {
                  font-weight: 700;

                  i {
                    margin-left: -5px;
                  }
                }
              }

              .attr {
                padding-left: 15px;
                width: 85%;
                overflow: hidden;
                margin-bottom: 8px;
                min-height: 38px;
                cursor: pointer;
                line-height: 1.8;
                display: -webkit-box;
                -webkit-box-orient: vertical;
                -webkit-line-clamp: 2;

                a {
                  color: #333;
                  text-decoration: none;
                }
              }

              .commit {
                padding-left: 15px;
                height: 22px;
                font-size: 13px;
                color: #a7a7a7;

                span {
                  font-weight: 700;
                  color: #646fb0;
                }
              }

              .operate {
                padding: 12px 15px;

                .sui-btn {
                  display: inline-block;
                  padding: 2px 14px;
                  box-sizing: border-box;
                  margin-bottom: 0;
                  font-size: 12px;
                  line-height: 18px;
                  text-align: center;
                  vertical-align: middle;
                  cursor: pointer;
                  border-radius: 0;
                  background-color: transparent;
                  margin-right: 15px;
                }

                .btn-bordered {
                  min-width: 85px;
                  background-color: transparent;
                  border: 1px solid #8c8c8c;
                  color: #8c8c8c;

                  &:hover {
                    border: 1px solid #666;
                    color: #fff !important;
                    background-color: #666;
                    text-decoration: none;
                  }
                }

                .btn-danger {
                  border: 1px solid #e1251b;
                  color: #e1251b;

                  &:hover {
                    border: 1px solid #e1251b;
                    background-color: #e1251b;
                    color: white !important;
                    text-decoration: none;
                  }
                }
              }
            }
          }
        }
      }
    }
  }
}
</style>
